How to Fine Tune Your Porsche CIS Fuel Injection

This is our next offering on the Porsche CIS fuel injection system. We find and fix a problem. When we first set up the vacuum lines, we plumbed the vacuum lines like an SC. It ran OK on the test stand but a road test showed up the issue.
In this video, we look at what the vacuum signals actually are and how they affect the engine running.

Hand Vacuum pump
https://amzn.to/2X0oxMP
Fuel Pressure tester
https://amzn.to/3tjQmeK
Two gas analyzer
https://amzn.to/3zTgcsO

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This video is for entertainment purposes, please Porsche responsibly.